Memory Leak Affecting libgudev1 package, versions <0:219-78.amzn2.0.14


Severity

Recommended
medium

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.4% (32nd percentile)

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  • Snyk IDSNYK-AMZN2-LIBGUDEV1-1698802
  • published27 Sept 2021
  • disclosed28 Jan 2019

Introduced: 28 Jan 2019

CVE-2019-3815  (opens in a new tab)
CWE-401  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 libgudev1 to version 0:219-78.amzn2.0.14 or higher.
This issue was patched in ALAS2-2021-1647.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libgudev1 package and not the libgudev1 package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

A memory leak was discovered in the backport of fixes for CVE-2018-16864 in Red Hat Enterprise Linux. Function dispatch_message_real() in journald-server.c does not free the memory allocated by set_iovec_field_free() to store the _CMDLINE= entry. A local attacker may use this flaw to make systemd-journald crash. This issue only affects versions shipped with Red Hat Enterprise since v219-62.2.

CVSS Base Scores

version 3.1